/*
 * File: string.service.ts
 * File Created: Wednesday, 13th June 2018 3:46:05 pm
 * Author: songyz
 * Description: 字符串处理和加密服务
 * -----
 * Last Modified: Thursday, 14th June 2018 11:20:19 am
 * Modified By: songyz
 * -----
 *  All rights reserved.
 */

/*******************************************************************************
 * var initString="hello world";
 * encrypt : 加密 alert( stringService.init(initString).encrypt()) 
 * filterText : 屏蔽词  alert( stringService.init(initString).filterText("world")) 
 * isNotaNumber : 判断是否为数字 alert( stringService.init("abcdefghijk").isNotaNumber()) 
 * md5: md5加密 
 * noNumbers : 判断是否存在数字 alert( stringService.init("abcdefghijk").noNumbers()) 
 * onlyNumbers : 判断是否为仅有数字 alert( stringService.init("213123123").onlyNumbers()) 
 * removeWhitespace : 移除字符串两边空白 alert( stringService.init(" 213123123 ").removeWhitespace()) 
 * toArray : 转换为数组 newArr= stringService.init(en).toArray(); 
 * unEncrypt : 解密 alert( stringService.init(initString).unEncrypt())
 * charEntities : 前台特殊字符修改 stringService.init(initString).charEntities()
 * 
 ******************************************************************************/

export class StringService {
	'0':any
    init (str: string) {
        this[0] = str;
    }
    encrypt (num:any) {
        var str : any = this[0], p = num || 0, idea = 0, output = '', i = 0, alterText = [], varCost = [], TextSize = str.length;
        p = p + 1;
        for (i = 0; i < TextSize; i++) {
            idea = Math.round(Math.random() * 111) + 77;
            alterText[i] = str.charCodeAt(i) + idea;
            varCost[i] = idea;
        }
        for (i = 0; i < TextSize; i++) {
            output += String.fromCharCode(alterText[i], varCost[i]);
        }
        return output;
    }
    filterText (badWords:any) {
        var str : any = this[0], re = new RegExp(badWords, "g");
        var result = str.replace(re, "****");
        return (result);
    }
    isNotaNumber () {
        var str : any = this[0];
        return isNaN(str);
    }
    md5 () {
        var str : any = this[0];
        function RotateLeft(lValue:any, iShiftBits:any) {
            return (lValue << iShiftBits) | (lValue >>> (32 - iShiftBits));
        }
        function AddUnsigned(lX:any, lY:any) {
            var lX4, lY4, lX8, lY8, lResult;
            lX8 = (lX & 0x80000000);
            lY8 = (lY & 0x80000000);
            lX4 = (lX & 0x40000000);
            lY4 = (lY & 0x40000000);
            lResult = (lX & 0x3FFFFFFF) + (lY & 0x3FFFFFFF);
            if (lX4 & lY4) {
                return (lResult ^ 0x80000000 ^ lX8 ^ lY8);
            }
            if (lX4 | lY4) {
                if (lResult & 0x40000000) {
                    return (lResult ^ 0xC0000000 ^ lX8 ^ lY8);
                } else {
                    return (lResult ^ 0x40000000 ^ lX8 ^ lY8);
                }
            } else {
                return (lResult ^ lX8 ^ lY8);
            }
        }
        function F(x:any, y:any, z:any) {
            return (x & y) | ((~x) & z);
        }
        function G(x:any, y:any, z:any) {
            return (x & z) | (y & (~z));
        }
        function H(x:any, y:any, z:any) {
            return (x ^ y ^ z);
        }
        function I(x:any, y:any, z:any) {
            return (y ^ (x | (~z)));
        }
        function FF(a:any, b:any, c:any, d:any, x:any, s:any, ac:any) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(F(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        }
        ;

        function GG(a:any, b:any, c:any, d:any, x:any, s:any, ac:any) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(G(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        }
        ;
        function HH(a:any, b:any, c:any, d:any, x:any, s:any, ac:any) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(H(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        }
        ;

        function II(a:any, b:any, c:any, d:any, x:any, s:any, ac:any) {
            a = AddUnsigned(a, AddUnsigned(AddUnsigned(I(b, c, d), x), ac));
            return AddUnsigned(RotateLeft(a, s), b);
        }
        ;
        function ConvertToWordArray(string:any) {
            var lWordCount;
            var lMessageLength = string.length;
            var lNumberOfWords_temp1 = lMessageLength + 8;
            var lNumberOfWords_temp2 = (lNumberOfWords_temp1 - (lNumberOfWords_temp1 % 64)) / 64;
            var lNumberOfWords = (lNumberOfWords_temp2 + 1) * 16;
            var lWordArray = Array(lNumberOfWords - 1);
            var lBytePosition = 0;
            var lByteCount = 0;
            while (lByteCount < lMessageLength) {
                lWordCount = (lByteCount - (lByteCount % 4)) / 4;
                lBytePosition = (lByteCount % 4) * 8;
                lWordArray[lWordCount] = (lWordArray[lWordCount] | (string
                        .charCodeAt(lByteCount) << lBytePosition));
                lByteCount++;
            }
            lWordCount = (lByteCount - (lByteCount % 4)) / 4;
            lBytePosition = (lByteCount % 4) * 8;
            lWordArray[lWordCount] = lWordArray[lWordCount]
                    | (0x80 << lBytePosition);
            lWordArray[lNumberOfWords - 2] = lMessageLength << 3;
            lWordArray[lNumberOfWords - 1] = lMessageLength >>> 29;
            return lWordArray;
        }
        ;
        function WordToHex(lValue:any) {
            var WordToHexValue = "", WordToHexValue_temp = "", lByte, lCount;
            for (lCount = 0; lCount <= 3; lCount++) {
                lByte = (lValue >>> (lCount * 8)) & 255;
                WordToHexValue_temp = "0" + lByte.toString(16);
                WordToHexValue = WordToHexValue
                        + WordToHexValue_temp.substr(
                                WordToHexValue_temp.length - 2, 2);
            }
            return WordToHexValue;
        }
        ;
        function Utf8Encode(string:any) {
            string = string.replace(/\r\n/g, "\n");
            var utftext = "";
            for ( var n = 0; n < string.length; n++) {
                var c = string.charCodeAt(n);
                if (c < 128) {
                    utftext += String.fromCharCode(c);
                } else if ((c > 127) && (c < 2048)) {
                    utftext += String.fromCharCode((c >> 6) | 192);
                    utftext += String.fromCharCode((c & 63) | 128);
                } else {
                    utftext += String.fromCharCode((c >> 12) | 224);
                    utftext += String.fromCharCode(((c >> 6) & 63) | 128);
                    utftext += String.fromCharCode((c & 63) | 128);
                }
            }
            return utftext;
        }
        ;
        var x = Array();
        var k, AA, BB, CC, DD, a, b, c, d;
        var S11 = 7, S12 = 12, S13 = 17, S14 = 22;
        var S21 = 5, S22 = 9, S23 = 14, S24 = 20;
        var S31 = 4, S32 = 11, S33 = 16, S34 = 23;
        var S41 = 6, S42 = 10, S43 = 15, S44 = 21;
        str = Utf8Encode(str);
        x = ConvertToWordArray(str);
        a = 0x67452301;
        b = 0xEFCDAB89;
        c = 0x98BADCFE;
        d = 0x10325476;
        for (k = 0; k < x.length; k += 16) {
            AA = a;
            BB = b;
            CC = c;
            DD = d;
            a = FF(a, b, c, d, x[k + 0], S11, 0xD76AA478);
            d = FF(d, a, b, c, x[k + 1], S12, 0xE8C7B756);
            c = FF(c, d, a, b, x[k + 2], S13, 0x242070DB);
            b = FF(b, c, d, a, x[k + 3], S14, 0xC1BDCEEE);
            a = FF(a, b, c, d, x[k + 4], S11, 0xF57C0FAF);
            d = FF(d, a, b, c, x[k + 5], S12, 0x4787C62A);
            c = FF(c, d, a, b, x[k + 6], S13, 0xA8304613);
            b = FF(b, c, d, a, x[k + 7], S14, 0xFD469501);
            a = FF(a, b, c, d, x[k + 8], S11, 0x698098D8);
            d = FF(d, a, b, c, x[k + 9], S12, 0x8B44F7AF);
            c = FF(c, d, a, b, x[k + 10], S13, 0xFFFF5BB1);
            b = FF(b, c, d, a, x[k + 11], S14, 0x895CD7BE);
            a = FF(a, b, c, d, x[k + 12], S11, 0x6B901122);
            d = FF(d, a, b, c, x[k + 13], S12, 0xFD987193);
            c = FF(c, d, a, b, x[k + 14], S13, 0xA679438E);
            b = FF(b, c, d, a, x[k + 15], S14, 0x49B40821);
            a = GG(a, b, c, d, x[k + 1], S21, 0xF61E2562);
            d = GG(d, a, b, c, x[k + 6], S22, 0xC040B340);
            c = GG(c, d, a, b, x[k + 11], S23, 0x265E5A51);
            b = GG(b, c, d, a, x[k + 0], S24, 0xE9B6C7AA);
            a = GG(a, b, c, d, x[k + 5], S21, 0xD62F105D);
            d = GG(d, a, b, c, x[k + 10], S22, 0x2441453);
            c = GG(c, d, a, b, x[k + 15], S23, 0xD8A1E681);
            b = GG(b, c, d, a, x[k + 4], S24, 0xE7D3FBC8);
            a = GG(a, b, c, d, x[k + 9], S21, 0x21E1CDE6);
            d = GG(d, a, b, c, x[k + 14], S22, 0xC33707D6);
            c = GG(c, d, a, b, x[k + 3], S23, 0xF4D50D87);
            b = GG(b, c, d, a, x[k + 8], S24, 0x455A14ED);
            a = GG(a, b, c, d, x[k + 13], S21, 0xA9E3E905);
            d = GG(d, a, b, c, x[k + 2], S22, 0xFCEFA3F8);
            c = GG(c, d, a, b, x[k + 7], S23, 0x676F02D9);
            b = GG(b, c, d, a, x[k + 12], S24, 0x8D2A4C8A);
            a = HH(a, b, c, d, x[k + 5], S31, 0xFFFA3942);
            d = HH(d, a, b, c, x[k + 8], S32, 0x8771F681);
            c = HH(c, d, a, b, x[k + 11], S33, 0x6D9D6122);
            b = HH(b, c, d, a, x[k + 14], S34, 0xFDE5380C);
            a = HH(a, b, c, d, x[k + 1], S31, 0xA4BEEA44);
            d = HH(d, a, b, c, x[k + 4], S32, 0x4BDECFA9);
            c = HH(c, d, a, b, x[k + 7], S33, 0xF6BB4B60);
            b = HH(b, c, d, a, x[k + 10], S34, 0xBEBFBC70);
            a = HH(a, b, c, d, x[k + 13], S31, 0x289B7EC6);
            d = HH(d, a, b, c, x[k + 0], S32, 0xEAA127FA);
            c = HH(c, d, a, b, x[k + 3], S33, 0xD4EF3085);
            b = HH(b, c, d, a, x[k + 6], S34, 0x4881D05);
            a = HH(a, b, c, d, x[k + 9], S31, 0xD9D4D039);
            d = HH(d, a, b, c, x[k + 12], S32, 0xE6DB99E5);
            c = HH(c, d, a, b, x[k + 15], S33, 0x1FA27CF8);
            b = HH(b, c, d, a, x[k + 2], S34, 0xC4AC5665);
            a = II(a, b, c, d, x[k + 0], S41, 0xF4292244);
            d = II(d, a, b, c, x[k + 7], S42, 0x432AFF97);
            c = II(c, d, a, b, x[k + 14], S43, 0xAB9423A7);
            b = II(b, c, d, a, x[k + 5], S44, 0xFC93A039);
            a = II(a, b, c, d, x[k + 12], S41, 0x655B59C3);
            d = II(d, a, b, c, x[k + 3], S42, 0x8F0CCC92);
            c = II(c, d, a, b, x[k + 10], S43, 0xFFEFF47D);
            b = II(b, c, d, a, x[k + 1], S44, 0x85845DD1);
            a = II(a, b, c, d, x[k + 8], S41, 0x6FA87E4F);
            d = II(d, a, b, c, x[k + 15], S42, 0xFE2CE6E0);
            c = II(c, d, a, b, x[k + 6], S43, 0xA3014314);
            b = II(b, c, d, a, x[k + 13], S44, 0x4E0811A1);
            a = II(a, b, c, d, x[k + 4], S41, 0xF7537E82);
            d = II(d, a, b, c, x[k + 11], S42, 0xBD3AF235);
            c = II(c, d, a, b, x[k + 2], S43, 0x2AD7D2BB);
            b = II(b, c, d, a, x[k + 9], S44, 0xEB86D391);
            a = AddUnsigned(a, AA);
            b = AddUnsigned(b, BB);
            c = AddUnsigned(c, CC);
            d = AddUnsigned(d, DD);
        }
        var temp = WordToHex(a) + WordToHex(b) + WordToHex(c)
                + WordToHex(d);
        return temp.toLowerCase();
    }
    noNumbers () {
        var str : any = this[0], searchForNumbers = /\d/;
        return (searchForNumbers.test(str) == false);
    }
    onlyNumbers () {
        var str : any = this[0],
        // searchForNonNumbers = /^[0-9]*$/;
        searchForNonNumbers = /\D+/;
        return (searchForNonNumbers.test(str) == false);
    }
    removeWhitespace () {
        var str : any = this[0], firstNonWhite = str.search(/\S/);
        if (firstNonWhite != -1) {
            for ( var i = str.length - 1; i >= 0; i--) {
                if (str.charAt(i).search(/\S/) != -1) {
                    str = str.substring(firstNonWhite, i + 1);
                    break;
                }
            }
        }
        return str;
    }
    toArray () {
        var str : any = this[0], args = [];

        for ( var i = 0; i < str.length; i++) {
            args.push(str[i]);
        }
        return args;
    }
    unEncrypt (num:any) {
        var str : any = this[0], p = num || 1;
        if (p > 0) {
            p = p - 1;
            var idea = 0, output = '', i = 0, alterText = [], varCost = [], TextSize = str.length;

            for (i = 0; i < TextSize; i++) {
                alterText[i] = str.charCodeAt(i);
                varCost[i] = str.charCodeAt(i + 1);
            }
            for (i = 0; i < TextSize; i = i + 2) {
                output += String.fromCharCode(alterText[i] - varCost[i]);
            }
            return output;
        }
    }
    charEntities () {
        var param : any = this[0];
        param = param.replace(/\"/g, "”");
        param = param.replace(/\'/g, "’");
        param = param.replace(/\r\n/g, "");
        param = param.replace(/\n/g, "");
        param = param.replace(/\r/g, "");
        return param;
    }
}
